FIG. 1 is a perspective view illustrating a first embodiment of our new and ornamental design for an end cap for a ladder;
FIG. 2 is a left-side view illustrating the new and ornamental design for the end cap for a ladder of FIG. 1;
FIG. 3 is a right-side view illustrating the new and ornamental design for the end cap for a ladder of FIG. 1;
FIG. 4 is a front view illustrating the new and ornamental design for the end cap for a ladder of FIG. 1;
FIG. 5 is a back view illustrating the new and ornamental design for the end cap for a ladder of FIG. 1;
FIG. 6 is a top view illustrating the new and ornamental design for the end cap for a ladder of FIG. 1;
FIG. 7 is a bottom view illustrating the new and ornamental design for the end cap for a ladder of FIG. 1;
FIG. 8 is a perspective view illustrating a second embodiment of the new and ornamental design for the end cap for a ladder;
FIG. 9 is a top view illustrating the new and ornamental design for the end cap for a ladder of FIG. 8;
FIG. 10 is a back view illustrating the new and ornamental design for the end cap for a ladder of FIG. 8;
FIG. 11 is a left-side view illustrating the new and ornamental design for the end cap for a ladder of FIG. 8;
FIG. 12 is a front view illustrating the new and ornamental design for the end cap for a ladder of FIG. 8;
FIG. 13 is a bottom view illustrating the new and ornamental design for the end cap for a ladder of FIG. 8;
FIG. 14 is a right-side view illustrating the new and ornamental design for the end cap for a ladder of FIG. 8;
FIG. 15 is a perspective view illustrating a third embodiment of the new and ornamental design for the end cap for a ladder;
FIG. 16 is a top view illustrating the new and ornamental design for the end cap for a ladder of FIG. 15;
FIG. 17 is a back view illustrating the new and ornamental design for the end cap for a ladder of FIG. 15;
FIG. 18 is a left-side view illustrating the new and ornamental design for the end cap for a ladder of FIG. 15;
FIG. 19 is a front view illustrating the new and ornamental design for the end cap for a ladder of FIG. 15;
FIG. 20 is a bottom view illustrating the new and ornamental design for the end cap for a ladder of FIG. 15; and,
FIG. 21 is a right-side view illustrating the new and ornamental design for the end cap for a ladder of FIG. 15.
The broken lines shown in the figures are for the purpose of illustrating environment and form no part of the claimed design.